Alert archive / New York / Freeze Warnings in 2012

Freeze Warning 7, NWS Buffalo, NY

April 12, 201211 counties in New York

NWS Buffalo, NY issued this freeze warning at Apr 12, 2012, 11:35 AM EDT for 11 counties in New York. It took effect at Apr 13, 2012, 12:00 AM EDT. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 12, 2012, 11:35 AM EDT (15:35 UTC)
In effect from
Apr 13, 2012, 12:00 AM EDT
Expired
Apr 13, 2012, 9:00 AM EDT
In force
9 hr
Issued by
NWS Buffalo, NY

Counties Cayuga County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 77 km from the middle of the area, began a volume at 15:40 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 3.6 hours before the alert went out and 74 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2012-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2012-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1108 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

597 
WWUS71 KBUF 121535
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1135 AM EDT THU APR 12 2012

NYZ001>006-010-011-013-014-019-085-122345-
/O.UPG.KBUF.FZ.A.0003.120413T0600Z-120413T1300Z/
/O.NEW.KBUF.FZ.W.0007.120413T0400Z-120413T1300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BUFFALO...BATAVIA...GENESEO...
CANANDAIGUA...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
1135 AM EDT THU APR 12 2012

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT
FRIDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. 

* LOCATIONS...CHAUTAUQUA COUNTY...PORTIONS OF THE NIAGARA FRONTIER
  AND GENESEE VALLEY...AND THE FINGER LAKES REGION.

* TIMING...GREATEST COVERAGE AREA OF FREEZING AND SUBFREEZING
  TEMPERATURES WILL OCCUR LATE TONIGHT THROUGH AN HOUR AFTER
  SUNRISE.

* TEMPERATURES...IN THE UPPER 20S AWAY FROM THE LAKES TO THE
  LOWER 30S ALONG THE LAKE SHORES.

* IMPACTS...FRUIT TREES THAT HAVE BUDDED OUT EARLY AND OTHER 
  SENSITIVE VEGETATION WILL BE HIGHLY VULNERABLE TO TEMPERATURES 
  THIS COLD. IF YOU HAVE SENSITIVE VEGETATION...YOU SHOULD TAKE 
  STEPS TO PROTECT YOUR PLANTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY
FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV
STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

THOMAS
4 follow-up statements
294 
WWUS71 KBUF 121928
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
328 PM EDT THU APR 12 2012

NYZ001>006-010-011-013-014-019-085-130330-
/O.CON.KBUF.FZ.W.0007.120413T0400Z-120413T1300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BUFFALO...BATAVIA...GENESEO...
CANANDAIGUA...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
328 PM EDT THU APR 12 2012

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
EDT FRIDAY...

* LOCATIONS...CHAUTAUQUA COUNTY...PORTIONS OF THE NIAGARA 
  FRONTIER AND GENESEE VALLEY...AND THE FINGER LAKES REGION. 

* TIMING...GREATEST COVERAGE AREA OF FREEZING AND SUBFREEZING 
  TEMPERATURES WILL OCCUR LATE TONIGHT THROUGH AN HOUR AFTER 
  SUNRISE. 

* TEMPERATURES...IN THE UPPER 20S AWAY FROM THE LAKES TO THE 
  LOWER 30S ALONG THE LAKE SHORES. 

* IMPACTS...FRUIT TREES THAT HAVE BUDDED OUT EARLY AND OTHER 
  SENSITIVE VEGETATION WILL BE HIGHLY VULNERABLE TO TEMPERATURES 
  THIS COLD. IF YOU HAVE SENSITIVE VEGETATION...YOU SHOULD TAKE 
  STEPS TO PROTECT YOUR PLANTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY
FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV
STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

THOMAS
475 
WWUS71 KBUF 130257
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
1057 PM EDT THU APR 12 2012

NYZ001>006-010-011-013-014-019-085-131300-
/O.CON.KBUF.FZ.W.0007.120413T0400Z-120413T1300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BUFFALO...BATAVIA...GENESEO...
CANANDAIGUA...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
1057 PM EDT THU APR 12 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT FRIDAY...

* LOCATIONS...CHAUTAUQUA COUNTY...PORTIONS OF THE NIAGARA 
  FRONTIER AND GENESEE VALLEY...AND THE FINGER LAKES REGION. 

* TIMING...MIDNIGHT TONIGHT THROUGH LATE FRIDAY MORNING.

* TEMPERATURES...IN THE LOWER 30S.

* IMPACTS...FRUIT TREES THAT HAVE BUDDED OUT EARLY AND OTHER 
  SENSITIVE VEGETATION WILL BE HIGHLY VULNERABLE TO TEMPERATURES 
  THIS COLD. IF YOU HAVE SENSITIVE VEGETATION...YOU SHOULD TAKE 
  STEPS TO PROTECT YOUR PLANTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY
FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV
STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$
939 
WWUS71 KBUF 130808
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
408 AM EDT FRI APR 13 2012

NYZ001>006-010-011-013-014-019-085-131300-
/O.CON.KBUF.FZ.W.0007.000000T0000Z-120413T1300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BUFFALO...BATAVIA...GENESEO...
CANANDAIGUA...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
408 AM EDT FRI APR 13 2012

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING...

* LOCATIONS...CHAUTAUQUA COUNTY...PORTIONS OF THE NIAGARA 
  FRONTIER AND GENESEE VALLEY...AND THE FINGER LAKES REGION. 

* TIMING...THROUGH LATE THIS MORNING.

* TEMPERATURES...IN THE UPPER 20S TO LOWER 30S.

* IMPACTS...FRUIT TREES THAT HAVE BUDDED OUT EARLY AND OTHER 
  SENSITIVE VEGETATION WILL BE HIGHLY VULNERABLE TO TEMPERATURES 
  THIS COLD. IF YOU HAVE SENSITIVE VEGETATION...YOU SHOULD TAKE 
  STEPS TO PROTECT YOUR PLANTS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING IS ISSUED WHEN FREEZING TEMPERATURES ARE
FORECAST TO THREATEN OUTDOOR PLANTS. IF YOU ARE IN THE WARNED
AREA YOU SHOULD PROTECT TENDER VEGETATION. ALSO...POTTED PLANTS
NORMALLY LEFT OUTDOORS SHOULD BE COVERED OR BROUGHT INSIDE AWAY
FROM THE COLD. STAY TUNED TO WEATHER RADIO OR OTHER RADIO AND TV
STATIONS FOR FURTHER DETAILS OR UPDATES.

&&

$$

TMA
054 
WWUS71 KBUF 131303
NPWBUF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BUFFALO NY
903 AM EDT FRI APR 13 2012

NYZ001>006-010-011-013-014-019-085-131415-
/O.EXP.KBUF.FZ.W.0007.000000T0000Z-120413T1300Z/
NIAGARA-ORLEANS-MONROE-WAYNE-NORTHERN CAYUGA-OSWEGO-NORTHERN ERIE-
GENESEE-LIVINGSTON-ONTARIO-CHAUTAUQUA-SOUTHERN ERIE-
INCLUDING THE CITIES OF...NIAGARA FALLS...MEDINA...ROCHESTER...
NEWARK...FAIR HAVEN...OSWEGO...BUFFALO...BATAVIA...GENESEO...
CANANDAIGUA...JAMESTOWN...ORCHARD PARK...SPRINGVILLE
903 AM EDT FRI APR 13 2012

...FREEZE WARNING HAS EXPIRED...

TEMPERATURES ACROSS THE REGION HAVE WARMED TO ABOVE THE FREEZING
MARK WITH THE HELP OF ABUNDANT SUNSHINE.

$$

HIBBERT

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 12, 4:32 AM EDTFreeze WatchBUFCayuga, Chautauqua, Erie, Genesee, Livingston, Monroe and 5 more7 hr

Nearby

Freeze Warnings in New York, 2012Every freeze warning in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.